TY  - BOOK
AU  - Earle, Roger W.
AU  - Baechle, Thomas R.
TI  - NSCA´S essentials of perosnal training : :  / 
SN  - 736000151
PY  - 2004///
CY  - Illinois ; 
PB  - Human Kinetics , 
KW  - PERSONAL TRAINER
KW  - SALUD
ER  -